--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-23T00:00:00Z' dns-udp-queries-received-ipv4: 2869456667 dns-udp-queries-received-ipv6: 562293819 dns-tcp-queries-received-ipv4: 65286815 dns-tcp-queries-received-ipv6: 16141836 dns-udp-responses-sent-ipv4: 2831426206 dns-udp-responses-sent-ipv6: 561712979 dns-tcp-responses-sent-ipv4: 63176346 dns-tcp-responses-sent-ipv6: 15843363